2022026

UID: 21, Registered at 2023-4-11 17:57:09, last login at 2024-8-24 10:03:24, currently offline.

Solved 0 problems, RP: 0 (No. ?)

Bio

罗兰。。。
Recent Activities

This person is lazy and didn't join any contest or homework
Recent Solutions

This person is lazy and didn't wrote any solution